roll-dep: Add command used to make the roll in the CL description.
roll-dep: Add command used to make the roll in the CL description.

That's marketing 101. :)

R=002a79d3522c3eaf360691f06af29425bafc4480@chromium.org
BUG=

Change-Id: Ibbc1cd18650b7b601c27662fcb40ea7b15b40fc7
Reviewed-on: https://chromium-review.googlesource.com/439006
Reviewed-by: Sergey Berezin <002a79d3522c3eaf360691f06af29425bafc4480@chromium.org>
Commit-Queue: Sergey Berezin <002a79d3522c3eaf360691f06af29425bafc4480@chromium.org>

CoherentLabs/depot_tools,CoherentLabs/depot_tools